import pandas as pd
import numpy as np

a = pd.DataFrame({"one": [1,2,3], "two": [4,5,6]})
b = pd.DataFrame({"one": pd.Series([1,2,3], index=['a','b','c']), "two": pd.Series([1,2,3,4], index=['a','b','c','d'])})

print(a)
print(b)

c = pd.read_csv('./files/test.csv')
print(c)

b.to_csv('./files/test2.csv')
